PERIODIC MAINTENANCE
2-35
OIL
PRESSURE
CHECK
Check the engine oil pressure periodically. This will give a good indication of the condition of the moving
pal-ts.
Oil pressure:
10
kPa
(0.1
kgflcm2,
1.4
psi) at
3
000
rlmin, Oil temp.
at
60
"C
(140
OF)
If
the oil pressure is lower or higher than the specification, the following causes may
be
considered.
LOW
OIL
PRESSURE
"
Clogged oil filter
+
Oil leakage from the oil passage
^
Damaged O-ring
Defective oil pump
"
Combination of the above items
HIGH OIL
PRESSURE
Engine oil viscosity is too high
Clogged oil passage
'
Combination of the above items
OIL PRESSURE TEST PROCEDURE
Connect the tachometer onto the spark plug high-tension
cord.
Remove the main oil gallely plug
(TI.
Install the oil pressure gauge and adaptor into the main oil
gallery.
Warm up the engine as follows:
Summer:
10 minutes at
2
000 rtmin
Winter: 20 minutes at
2
000 rlmin
After warming up the engine, increase the engine speed to
3
000 rlmin (observe
the
tachometer), and read the oil pres-
sure gauge.
~.
09915-74511:
011
pressure gauge
09940-4021 1:
Adaptor
Apply engine oil to both sides of the main oil gallery plug
washers.
r.
Tighten the main oil gallery plug to the specified torque.
Main oil gallery plug:
10
Nm
(1.0
kgf-m,
7.0
lb-ft)
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